Miftakhurrohmat , A. and Yen , N. 2019. The Effect of Liquid Suppermentary PPC (Eichornia crassipess) On Growth and Yield Of Green Spinach (Amaranthus gangeticus): Pengaruh Pemberian PPC Eceng Gondok (Eichornia crassipess) Terhadap Pertumbuhan dan Produksi Tanaman Bayam Hijau (Amaranthus gangeticus). Nabatia. 7, 2 (Dec. 2019), 43–50.